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For deficiency, weekly injections are common during the loading phase, and monthly maintenance is standard long-term

5-Amino-1MQ does not require a prescription as its not FDA-approved for medical use and is sold as a research compound

1 Aged Muscle Stem Cell Rejuvenation Neelakantan et al., Biochemical Pharmacology (2019) In a follow-up study, the authors tested whether NNMT inhibition could reverse the age-related decline in muscle stem cell (satellite cell) function

Human side-effects are currently also unknown

How fast depends on how low your levels were and your overall health

The former official asked not to be named to avoid a public debate with the industry